Check Executable Code Trustworthiness
It is difficult to determine whether executable content can be trusted. One test is to use the DumpBin tool to determine if the executable code makes calls to certain APIs. DumpBin is included with many Win32 API developer tools.
To use DumpBin to check for calls made
At the command prompt, to determine whether MyISAPI.dll calls RevertToSelf(), type
dumpbin /imports MyISAPI.DLL | find "RevertToSelf"
If no result appear, MyISAPI.dll does not call RevertToSelf() directly. It might call the API through LoadLibrary(), in which case you should search for this.
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